1 #pragma once
2 
3 #include <fmt/format.h>
4 
5 #include <sdbusplus/server.hpp>
6 #include <xyz/openbmc_project/Common/FilePath/server.hpp>
7 
8 #include <string>
9 
10 namespace bios_bmc_smm_error_logger
11 {
12 
13 using FileNotifierInterface = sdbusplus::server::object_t<
14     sdbusplus::xyz::openbmc_project::Common::server::FilePath>;
15 
16 /**
17  * @brief A class for notifying file paths of CPER logs.
18  */
19 class CperFileNotifier : public FileNotifierInterface
20 {
21   public:
22     /**
23      * @brief Constructor for the CperFileNotifier class.
24      *
25      * @param bus - bus to attach to.
26      * @param filePath - full path of the CPER log JSON file.
27      * @param entry - index of the DBus file path object.
28      */
29     CperFileNotifier(sdbusplus::bus_t& bus, const std::string& filePath,
30                      uint64_t entry) :
31         FileNotifierInterface(bus, generatePath(entry).c_str(),
32                               action::emit_no_signals)
33     {
34         // We only need the interface added signal for the fault monitor. So
35         // stop emitting properties changed signal.
36         path(filePath, /*skipSignal=*/true);
37     }
38 
39     static constexpr const char* cperBasePath =
40         "/xyz/openbmc_project/external_storer/bios_bmc_smm_error_logger/CPER";
41 
42   private:
43     /**
44      * @brief Generate a path for the CperFileNotifier DBus object.
45      *
46      * @param[in] entry - unique index for the DBus object.
47      */
48     std::string generatePath(uint64_t entry)
49     {
50         return fmt::format("{}/entry{}", cperBasePath, entry);
51     }
52 };
53 
54 } // namespace bios_bmc_smm_error_logger
55